1. What horsepower is developed by an engine with torque 400 lb ft at 4500 rpm?

2. What torque must be applied to develop 175 ft lb/s of power in a motor if ω = 394 rpm?

3. Find the angular velocity of a motor developing 649 W of power with torque 131 N m.

4. A high-speed industrial drill develops 0.500 hp at 1600 rpm. What torque is applied to the drill bit?

5. An engine has torque of 550 N m at 8.3 rad/s. What power in watts does it develop?

6. Find the angular velocity of a motor developing 33.0 N m/s of power with a torque of 6.0 N m.